High-Orders Motion Analysis : Computer Vision Methods

• Autore: Sun Yan
• Pubblicazione: Singapore : , : Springer, , 2024; ©2024
• Edizione: 1st ed.
• Descrizione fisica: 1 online resource (90 pages)
• Nota di contenuto: Intro -- Preface -- Contents -- Abbreviations -- 1 Overview -- 2 Describing Motion in Computer Images' Stream: Optical Flow -- 2.1 Overview -- 2.2 Optical Flow -- 2.2.1 Data Term -- 2.2.2 Prior Term -- 2.2.3 Learning Methods -- 2.3 Selected Optical Flow Algorithms -- 2.3.1 Differential Method -- 2.3.2 Region-Based Method -- 2.3.3 Dense Optical Flow -- 2.3.4 DeepFlow -- 2.4 Preparation for Performance Quantify of Optical Flow Algorithms -- 2.4.1 Synthetic Images with Explicit Motion -- 2.4.2 Flow Visualization -- 2.4.3 Flow Error Measurements -- 2.5 Performance Comparison of Optical Flow Algorithms on Synthetic Images -- 3 Analysing Acceleration in Computer Images' Stream -- 3.1 Overview -- 3.2 Estimation of Acceleration Flow -- 3.2.1 Recovering Acceleration from Optical Flow -- 3.2.2 Approximating the Derivatives -- 3.2.3 Analysing Acceleration Algorithm on Image Sequences -- 3.3 Estimating Acceleration Flow Via Other Flow Estimation Methods -- 3.3.1 A More Practical Approach -- 3.3.2 Evaluating Acceleration Algorithms on Synthetic Images -- 3.3.3 Comparison Between Differential and Variational Acceleration -- 3.4 Tangential and Radial Acceleration -- 3.4.1 Decomposing the Resultant Acceleration -- 3.4.2 Radial and Tangential Acceleration Fields on Image Sequences -- 3.5 Conclusion -- 4 Jerk and High-Order Motion in Computer Images' Streams -- 4.1 Overview -- 4.2 Jerk, Snap and Higher Order Motion in Kinematics -- 4.3 Jerk and Snap Field Estimation -- 4.4 Appling Multi-orders Flow Fields to Synthetic and Real Images -- 4.5 Conclusion -- 5 Detecting Heel Strikes for Gait Analysis Through Higher-Order Motion Flow -- 5.1 Overview -- 5.2 Detecting Heel Strikes Through Radial Acceleration -- 5.2.1 Gait Analysis -- 5.2.2 Heel Strikes Detection for Gait Analysis -- 5.2.3 The Acceleration Pattern on Gait. ; 5.2.4 Strike Position Estimation and Verification -- 5.3 Gait Databases -- 5.3.1 The Large Gait Database -- 5.3.2 CASIA Gait Database -- 5.3.3 The OU-ISIR Gait Database -- 5.4 Experimental Results -- 5.4.1 Key Frame Detection -- 5.4.2 Heel Strike Position Verification -- 5.4.3 Detection Performance -- 5.4.4 Robustness of Heel Strike Detection Approaches -- 5.4.5 Detecting Heel Strikes Via Snap and Jerk -- 5.5 Discussion -- 5.6 Conclusions -- 6 More Potential Applications Via High-Order Motion -- 6.1 Scenes Segmentation -- 6.2 Gait Analysis -- References.
• Titolo autorizzato: High-Orders Motion Analysis
• ISBN: 9789819991914
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910841867403321
• Lo trovi qui: Univ. Federico II